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| IRTB (Individual Runner Throttle Bodies) Quadruple your fun! Nothing like Naturally Aspirated Power! |
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#1 (permalink) |
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Jr. Member
Join Date: Aug 2007
Location: Columbus Indiana
Posts: 84
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Guys,
I can't read Japanese, but here's a site with some nice plenums that might be a good choice vs fabbing one up from scratch. It also looks like other filter options are available too. I found this in a thread at Miata.net. http://a-rf.com/PartsList/NA/IntakeParts/index.html mark |
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#5 (permalink) |
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Member
Join Date: Dec 2006
Location: Central Louisiana
Posts: 168
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I like the plenum, however, I wonder what running without any inlet runner air horns will do to low to mid range torque? Maybe the backplate could be modified to let horns pass though, but then how would they attach? Another thing I remember is work done by a miata.net member that showed the bigger the plenum the better and this one seems a little small. I do like the way the plenum tapers down. This gives a beter chance to clear the washer bottle on my '94 csp car. Chuck
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#6 (permalink) |
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Supporting Member
Join Date: Aug 2006
Posts: 9,430
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On an NA car the large plenum would be a good idea. Though in the case of FI I could see a small one being beneficial to reduce the charge size and possiibly spool up faster.
Someone wise in the ways of boost would have to hcime in here, though. |
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